Transfer path analysis and its application in low-frequency vibration reduction of steering wheel of a passenger vehicle

Ye, Shaogan; Hou, Liang; Zhang, Pandeng; Bu, Xiangjian; Xiang, Jiawei; Tang, Hesheng; Lin, Jiahe

doi:10.1016/j.apacoust.2019.107021

Cited by 26 publications

(8 citation statements)

References 19 publications

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“…From the random excitations of the road surface built based on ISO 8068 [12], the interaction models of the vehicle and random road surface were established and studied the vibration of the vehicle or cab in the low frequency region [13,14]. Besides, the effect of the design parameters of the isolation systems on the vehicle's vibrations in the low frequencies was also evaluated [15,16]. The results indicated that the density of resonant frequencies and resonant amplitudes of automobile's acceleration-frequency response appeared very much in the low frequency region, especially at excitations from 0.5 to 4.0 Hz.…”

Section: Introductionmentioning

confidence: 99%

Evaluating automobile’s vibration in frequency domain

Jia,

Nguyen

2023

Mech. Eng. Advan.

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To excitation of the low frequency not only influences the driver’s health but also strongly affects the durability of the automobile’s structures. To research the automobile’s vibration in the low frequency region, a dynamic model of the automobile is established to calculate the vibration equations of the automobile in the time region. Based on the theory of the Laplace transfer function, the automobile’s vibration equations in the time region are transformed and converted to the automobile’s vibration equations in the frequency region. Then, the effect of the automobile’s design parameters and operation parameters on the characteristic of the automobile’s acceleration-frequency is simulated and analyzed to evaluate the automobile’s comfort as well as the durability of the automobile’s structures in the frequency region. The research results show that the design parameters of the stiffness, mass, and road wavelength remarkably affect the characteristic of the automobile’s acceleration-frequency. To reduce the resonant amplitude of the acceleration-frequency in the vertical and pitching direction of the automobile, the stiffness parameters of the automobiles and tires should be reduced while the mass of the automobile’s body should be increased. Additionally, the road’s roughness also needs to be decreased or the road’s quality needs to be enhanced to reduce the resonant amplitude of the automobile’s acceleration-frequency.

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Section: Introductionmentioning

confidence: 99%

Evaluating automobile’s vibration in frequency domain

Jia,

Nguyen

2023

Mech. Eng. Advan.

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“…In the low-frequency structural vibration optimization of steering wheel of a passenger vehicle, Ye et al [16] measured the vibration response of the steering wheel using the experimental apparatus and analysis procedures in performing the TPA. According to the results of the modal analysis, the mounting structure of the exhaust system was modified by the finite element method to reduce the vibration of the steering wheel.…”

Section: Introductionmentioning

confidence: 99%

Modal Optimization Design of Supporting Structure Based on the Improved Particle Swarm Algorithm

2022

IJE

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To cope with the strong vibration of a supporting structure excited by external loads under operating conditions, and in order to achieve the purpose of vibration reduction by structural optimization through modal modification, a modal modification method was proposed, through structural vibration theory. Subsequently, the search performance of an improved particle swarm optimization method was analyzed before conducting a case study on the structural optimization. Finally, aiming at the problem of strong vibration of gun mount at the time of firing, a finite element model of the gun mount was constructed and the type and natural frequency of the gun vibration in a free state was analyzed. Meanwhile, taking the thickness, height and width of the stiffening structure of the bracket as the design variables, combined with the improved particle swarm algorithm, an optimized mathematical model was developed with the first-order natural frequency of the gun mount as the objective function. The secondary development of Abaqus finite element software by using Python is used as a tool to calculate the optimization model. By virtue of optimation, thickness, width and height of the stiffening structure are 156.4mm, 453.7mm and 238.9mm at the range of [100,600]mm, [100,700]mm, [100,700]mm, respectively, and the base frequency of the gun mount has been increased by 11.3%. The effect is remarkable.

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“…Transfer path analysis (TPA) and transfer path synthesis (TPS) techniques have been widely used in the automotive noise, vibration, and harshness (NVH) industry [9][10][11][12][13][14]. TPA technology has been a mainstay of ICEVs and has been more recently considered for EVs.…”

Section: Introductionmentioning

confidence: 99%

“…Vaitkus et al [12] proposed an operational TPA (OTPA) for structure-borne noise analysis. The low-frequency vibrations of steering wheels have been reduced by a systematic analysis based on classical TPA [13]. TPA can accurately and effectively determine the composition of the structural vibration transfer path and its impact on the interior noise [14].…”

Section: Introductionmentioning

confidence: 99%

Interior Sound Quality Prediction of Pure Electric Vehicles Based on Transfer Path Synthesis

et al. 2021

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The interior sound quality (SQ) of pure electric vehicles (PEVs) has become an important consideration for users purchasing vehicles. At present, it is insufficient to take the sound pressure level as the interior acoustics design index of PEVs. Transfer path analysis (TPA) and transfer path synthesis (TPS) that take the SQ of interior noise as the improvement target remains in the preliminary exploration stage. In this paper, objective psychoacoustic parameters of SQ were taken as evaluation indexes of interior PEV noise. A virtual interior SQ synthesis model was designed on the basis of TPA and TPS, which combines experimentation and simulation. The SQ synthesis model demonstrates each noise component contribution in a PEV by new SQ separation technology. First, the interior noise transfer path and noise source of the PEV were determined in a synthesis analysis method of the interior PEV noise. Second, on the basis of the composition mechanism of interior noise and the basic principle of TPA, the excitation signal and transfer function of each interior noise path in the PEV were tested. On the basis of TPS, the interior SQ synthesis model of PEV was then established. Finally, the accuracy of the prediction model was verified in simulation and experimental comparison studies on the psychoacoustic objective parameters of SQ. The SQ objective parameter value of each transfer path was quantified by using contribution analysis. The results are expected to improve the comfort of the interior acoustic environment and enhance the competitiveness of vehicle products. They also provide an effective reference and new ideas for the development of interior SQ in PEVs.

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Transfer path analysis and its application in low-frequency vibration reduction of steering wheel of a passenger vehicle

Cited by 26 publications

References 19 publications

Evaluating automobile’s vibration in frequency domain

Evaluating automobile’s vibration in frequency domain

Modal Optimization Design of Supporting Structure Based on the Improved Particle Swarm Algorithm

Interior Sound Quality Prediction of Pure Electric Vehicles Based on Transfer Path Synthesis

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